Central Nervous System Leiomyosarcoma

**Semantic type:** Neoplastic Process

**Definition:** An aggressive malignant smooth muscle neoplasm, arising from the central nervous system. It is characterized by a proliferation of neoplastic spindle cells.

**Synonyms:** - CNS Leiomyosarcoma - Leiomyosarcoma of CNS - Leiomyosarcoma of Central Nervous System - Leiomyosarcoma of the CNS - Leiomyosarcoma of the Central Nervous System